1Z0-083 EXAM TORRENT & 1Z0-083 STUDY MATERIALS & 1Z0-083 ACTUAL EXAM

1Z0-083 Exam Torrent & 1Z0-083 Study Materials & 1Z0-083 Actual Exam

1Z0-083 Exam Torrent & 1Z0-083 Study Materials & 1Z0-083 Actual Exam

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Tags: New 1Z0-083 Exam Objectives, Real 1Z0-083 Question, 1Z0-083 Questions Pdf, Well 1Z0-083 Prep, Valid Dumps 1Z0-083 Free

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Oracle 1Z1-083: Oracle Database Administration II certification exam is a challenging and comprehensive exam that tests the skills and knowledge of database administrators in managing and maintaining Oracle databases. It is an ideal certification for professionals who want to further enhance their skills and knowledge in this field and gain recognition for their expertise. With proper preparation and study, candidates can pass the exam and achieve the Oracle 1Z1-083 certification, which can lead to better job opportunities and higher salaries.

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Oracle 1Z1-083 Exam is a computer-based exam consisting of 80 multiple-choice questions. Candidates have 105 minutes to complete the exam, and they must achieve a score of 63% or higher to pass. 1Z0-083 exam fee is $245 USD and can be taken at authorized testing centers or online through the Pearson VUE testing platform.

Oracle 1Z0-083 certification exam is designed to test the knowledge and skills of database administrators in areas such as database architecture, installation and configuration, backup and recovery, security management, and performance tuning. 1Z0-083 Exam consists of 85 multiple-choice questions, and candidates have a time limit of 105 minutes to complete the exam. 1Z0-083 exam is available in English and Japanese, and it can be taken at authorized testing centers around the world.

Oracle Database Administration II Sample Questions (Q68-Q73):

NEW QUESTION # 68
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

  • A. The Statistics Advisor can help recommend the best way to gather statistics.
  • B. The Statistics Advisor generates actions for all recommendations.
  • C. The number of table rows is considered when evaluating the cost of accessing a table using an index.
  • D. Index balanced B*Tree height is considered when evaluating the cost of using an index.
  • E. Statistics collected using DBMS_STATS always yield the best optimizer result.

Answer: A,D

Explanation:
https://docs.oracle.com/database/121/TGSQL/tgsql_optcncpt.htm#TGSQL218
B is correct. The cost of an index scan depends on the levels in the B-tree, the number of index leaf blocks to be scanned, and the number of rows to be fetched using the rowid in the index keys. The cost of fetching rows using rowids depends on the index clustering factor.
C is correct. The output of the advisor is a report of findings and recommendations, which helps you follow best practices for gathering statistics.


NEW QUESTION # 69
Which three are true about requirements for various FLASHBACKoperations? (Choose three.)

  • A. FLASHBACKversion query requires undo to retrieve all versions of a row that existed between two points in time.
  • B. FLASHBACKversion query requires that the RECYCLEBINparameter be set to ON.
  • C. FLASHBACK DATA ARCHIVErequires undo to store all versions of all rows of a table being tracked.
  • D. FLASHBACKtransaction query requires undo to retrieve all versions of a row that existed between two points in time.
  • E. FLASHBACKdrop requires undo to retrieve all versions of a row that existed between two points in time.
  • F. FLASHBACKdrop requires that the RECYCLEBIN parameter be set to ON.

Answer: B,D,F

Explanation:
Explanation/Reference:
https://books.google.com.pk/books?id=0iwrL9P25Z0C&pg=PA35&lpg=PA35&dq=FLASHBACK+transaction
+query+requires+undo+to+retrieve+all+versions+of+a+row+that+existed+between+two+points+in
+time&source=bl&ots=MJnYl5CZ1u&sig=ACfU3U0dWP-NPd-
U8uu3zbaoi3YZzT0FTQ&hl=en&sa=X&ved=2ahUKEwigi5_Jl9joAhXzUBUIHUh4DksQ6AEwAnoECAsQJg#v=o nepage&q=FLASHBACK%20transaction%20query%20requires%20undo%20to%20retrieve%20all%20versions
%20of%20a%20row%20that%20existed%20between%20two%20points%20in%20time&f=false
https://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm


NEW QUESTION # 70
Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:

Which two are true?

  • A. Redo logs are opened.
  • B. PDB1 and PDB2 are in read only state.
  • C. CDB$ROOT is in mount state.
  • D. PDB1 and PDB2 are in mount state.
  • E. PDB$SEED is in read only state.

Answer: A,C


NEW QUESTION # 71
Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

  • A. The target PDB must be registered in a base catalog.
  • B. The target PDB must be registered in a Virtual Private Catalog.
  • C. The base catalog must be enabled for Virtual Private Catalog use.
  • D. The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.
  • E. The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.
  • F. The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

Answer: C,D,E


NEW QUESTION # 72
Choose two. Which two are true about an Oracle gold image-based installation in Oracle 18c and later releases?

  • A. It uses a single RPM that automatically extracts and installs the Oracle Database software.
  • B. It does not require the setup wizard.
  • C. It can be used to install and upgrade Oracle Database for single-instance and cluster configurations.
  • D. It can only install and configure Oracle Database software. The database has to be created separately.
  • E. It can be used for both Oracle Database and Oracle Grid Infrastructure installation.

Answer: D,E


NEW QUESTION # 73
......

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